CN216900025U

CN216900025U - Plastic pipe shock resistance testing device

Info

Publication number: CN216900025U
Application number: CN202123358196.6U
Authority: CN
Inventors: 苏艳荣; 郭伯辉; 张建强
Original assignee: Anhui Guoyou Pipe Technology Co ltd
Current assignee: Anhui Guoyou Pipe Technology Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-07-05
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a device for testing the impact resistance of a plastic pipe, which belongs to the technical field of pipe impact testing and comprises a machine base, wherein a test table is fixed above the machine base through a support, a clamping mechanism for clamping the pipe and a discharging mechanism for discharging the pipe are respectively arranged on the test table, an installation frame is fixed at the top of the test table, two vertical rods are fixed on the installation frame, an electromagnetic chuck and a counterweight seat are respectively connected on the two vertical rods in a sliding manner, the electromagnetic chuck is positioned above the counterweight seat, an impact rod is arranged at the bottom of the counterweight seat, the top of the electromagnetic chuck is connected with a first pull rope, a bobbin is arranged at the top of the installation frame, and a winding motor for driving the bobbin is fixedly arranged on the installation frame; this testing arrangement can be stable carry out the centre gripping to tubular product, and can make the synchronous ejection of compact of tubular product after the impact at the in-process that splint loosened, use manpower sparingly and reduced operating time, improve the efficiency of software testing to tubular product.

Description

Plastic pipe shock resistance testing device

Technical Field

The utility model relates to the field of pipe impact testing, in particular to a device for testing impact resistance of a plastic pipe.

Background

The plastic pipe is generally made by using synthetic resin, i.e. polyester, as raw material, adding stabilizer, lubricant, plasticizer, etc. and extruding the mixture in a pipe making machine by a plastic method. Because of its light weight, corrosion resistance, beautiful appearance, no bad smell, easy processing and convenient construction, it has been widely used in building engineering. The impact resistance is a technical index which is required to be detected when the pipe leaves a factory, and has strict regulations on impact resistance and impact resistance times.

Current tubular product testing arrangement that shocks resistance when using, adopt the single splint to carry out the centre gripping, stability is relatively poor, and is easily not hard up at impact in-process tubular product to tubular product impact detection back needs the manual work to take off tubular product and install the fixed new tubular product that awaits measuring, when carrying out shock test to more batch tubular product, workman's operation wastes time and energy, and efficiency is not high, consequently has to design a testing arrangement of plastics tubular product shock resistance and solves above-mentioned problem, with the efficiency of the test of improving large batch tubular product.

SUMMERY OF THE UTILITY MODEL

The utility model provides a device for testing the impact resistance of a plastic pipe, which solves the problems that when the conventional pipe impact resistance testing device is used, a single clamping plate is adopted for clamping, the stability is poor, the pipe is easy to loosen in the impact process, after the pipe impact detection is carried out, the pipe needs to be manually taken down and installed and fixed with a new pipe to be tested, when a plurality of batches of pipes are subjected to impact test, the operation of workers is time-consuming and labor-consuming, and the efficiency is low.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a plastics tubular product shock resistance testing arrangement, includes the frame, the top of frame is fixed with the testboard through the support, be equipped with the fixture who is used for centre gripping tubular product and carry out the discharge mechanism of ejection of compact to tubular product on the testboard respectively, the top of testboard is fixed with the mounting bracket, be fixed with two montants, two on the mounting bracket respectively sliding connection have electromagnetic chuck and counter weight seat on the montant, just electromagnetic chuck is located the top of counter weight seat, the impact beam is installed to the bottom of counter weight seat, electromagnetic chuck's top is connected with first stay cord, the top of mounting bracket is equipped with the bobbin, fixed mounting has the wire winding motor that is used for driving the bobbin on the mounting bracket, just the other end of first stay cord is around connecing on the bobbin.

As a preferable scheme of the utility model, the clamping mechanism comprises a driving motor fixedly installed on one side of the test board, an output shaft of the driving motor is connected with a bidirectional screw rod, the bidirectional screw rod is in threaded connection with two symmetrically-arranged movable blocks, the side walls of one side of each movable block are respectively fixed with a first clamping plate, the movable blocks are respectively fixed with an L-shaped connecting rod, the end parts of the connecting rods are respectively fixed with a second clamping plate, and the second clamping plates are opposite to the first clamping plates.

By adopting the scheme, the pipe placed on the test board is automatically fixed by driving the two first clamping plates through the driving motor, the manual pipe fixing operation is not needed, the labor is saved, the pipes with different pipe diameters can be fixed, the first clamping plates can clamp the other part of the pipe synchronously by the two second clamping plates when the pipe is clamped, the pipe is more stable to be fixed, the pipe is not easy to deviate and shake during the impact operation, and the safety is improved.

As a preferable scheme of the utility model, the discharging mechanism comprises a push plate slidably connected to one side of the test board, two first fixing rods are fixed to the back of the push plate, sliding blocks are fixed to the end portions of the first fixing rods, two second fixing rods are fixed to one side of the top of the test board, the sliding blocks are slidably connected to the corresponding second fixing rods, return springs with one ends connected to the sliding blocks are sleeved on the second fixing rods, second pull ropes are connected to the sliding blocks, and one ends of the second pull ropes are connected to the corresponding movable blocks.

Adopt above-mentioned scheme, through the push pedal that sets up on the testboard, after tubular product strikes the completion, driving motor drive movable block drives the in-process that splint separated and can relax the second stay cord in step, and because reset spring is to the effort of push pedal, make the push pedal synchronous motion forward, and then withhold tubular product and slowly promote the ejection of compact forward, can realize tubular product automatic discharging at the in-process of loosening splint, need not follow-up manual work and take off tubular product, the discharge time has been saved, the impact efficiency of testing arrangement is improved, be suitable for the test operation of big batch tubular product.

As a preferable scheme of the utility model, a placing groove is arranged at the top of the test board, the placing groove is positioned at the center line between the two first clamping plates, and the push plate is opposite to one end of the placing groove.

Adopt above-mentioned scheme, when strikeing the operation, through placing tubular product and fix a position between two parties to it in the standing groove, guarantee that follow-up splint can be stable carry out the centre gripping from tubular product both sides, when the push pedal promoted tubular product forward and removed simultaneously, the standing groove can play the guide effect, makes the push pedal can release the testboard with tubular product smoothly and carry out the ejection of compact.

As a preferable scheme of the utility model, a guide rod is fixed on one side of the test board, and the two movable blocks are both connected to the guide rod in a sliding manner.

By adopting the scheme, when the two movable blocks on the driving motor driving the bidirectional screw rod are close to and far away from each other, the two movable blocks all slide on the guide rod, so that the stability of the movable blocks in motion is ensured, and the clamp plates can stably clamp the pipe.

As a preferable scheme of the utility model, guide wheels are arranged on both sides of the top of the test board, and the second pull ropes are respectively connected between the movable block and the sliding block by bypassing the corresponding guide wheels.

Adopt above-mentioned scheme, commutate through the leading wheel to the second stay cord, when guaranteeing that two movable blocks drive splint and are close to each other and keep away from, the second stay cord can act on the slider smoothly and move backward or forward, realizes that the push pedal is the restoration after propelling movement tubular product ejection of compact and the ejection of compact forward.

In the utility model:

the device automatically fixes the pipes placed on the test board by driving the two first clamping plates through the driving motor, so that the pipe fixing operation is not required to be manually carried out, the labor is saved, the pipes with different pipe diameters can be fixed, and the other part of the pipe body of the pipe is fixed by matching the two second clamping plates, so that the pipe is more stably fixed, the pipe is not easy to deviate and shake during impact operation, and the safety is improved;

the device is through the push pedal that sets up on the testboard, after tubular product strikes the completion, the second stay cord can be relaxed in step to the in-process that the movable block drove splint separation, and because reset spring is to the effort of push pedal, make the push pedal synchronous motion forward, and then withhold tubular product and promote the ejection of compact forward slowly, can realize tubular product automatic discharging at the in-process of loosening splint, need not follow-up manual work and take off tubular product, the ejection of compact time has been saved, the efficiency of impact of testing arrangement is improved, be suitable for the test operation of big batch tubular product.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a clamping mechanism and a discharging mechanism according to the present invention;

FIG. 3 is another side view of the clamping mechanism and discharge mechanism of the present invention;

fig. 4 is a top sectional view of the present invention.

In the figure: 1. a machine base; 2. a test bench; 3. a clamping mechanism; 31. a drive motor; 32. a bidirectional screw rod; 33. a movable block; 34. a first splint; 35. a connecting rod; 36. a second splint; 37. a guide bar; 4. a discharging mechanism; 41. pushing the plate; 42. a first fixing lever; 43. a slider; 44. a second fixing bar; 45. a return spring; 46. a second pull cord; 47. a guide wheel; 5. a mounting frame; 6. a vertical rod; 7. a counterweight seat; 8. a placement groove; 9. an impact bar; 10. an electromagnetic chuck; 11. a bobbin; 12. a winding motor; 13. a first pull cord.

Detailed Description

Examples

Referring to fig. 1-4, the utility model provides a device for testing impact resistance of a plastic pipe, which comprises a machine base 1, wherein a test bench 2 is fixed above the machine base 1 through a support, clamping mechanisms 3 for clamping the pipe and a discharging mechanism 4 for discharging the pipe are respectively arranged on the test bench 2, an installation rack 5 is fixed at the top of the test bench 2, two vertical rods 6 are fixed on the installation rack 5, an electromagnetic chuck 10 and a counterweight seat 7 are respectively connected on the two vertical rods 6 in a sliding manner, the electromagnetic chuck 10 is positioned above the counterweight seat 7, an impact rod 9 is arranged at the bottom of the counterweight seat 7, a first pull rope 13 is connected at the top of the electromagnetic chuck 10, a bobbin 11 is arranged at the top of the installation rack 5, a winding motor 12 for driving the bobbin 11 is fixedly arranged on the installation rack 5, and the other end of the first pull rope 13 is wound on the bobbin 11.

The clamping mechanism 3 comprises a driving motor 31 fixedly arranged on one side of the test bench 2, an output shaft of the driving motor 31 is connected with a bidirectional screw rod 32, two movable blocks 33 which are symmetrically arranged are in threaded connection on the bidirectional screw rod 32, a first clamping plate 34 is fixed on the side wall of one side of each movable block 33, an L-shaped connecting rod 35 is fixed on each movable block 33, a second clamping plate 36 is fixed at the end part of each connecting rod 35, the second clamping plates 36 are opposite to the first clamping plates 34, the two first clamping plates 34 are driven by the driving motor 31 to automatically fix the pipes placed on the test bench 2, manual pipe fixing operation is not needed, manpower is saved, the pipes with different pipe diameters can be fixed, the two second clamping plates 36 synchronously clamp and fix the other part of the pipes when the pipes are clamped by the first clamping plates 34, the pipes are fixed more stably, and the pipes are not prone to shift and shake during impact operation, the safety is improved.

The discharging mechanism 4 comprises a push plate 41 which is connected with one side of the test bench 2 in a sliding manner, two first fixing rods 42 are fixed on the back of the push plate 41, sliding blocks 43 are fixed on the end parts of the first fixing rods 42, two second fixing rods 44 are fixed on one side of the top of the test bench 2, the sliding blocks 43 are connected with the corresponding second fixing rods 44 in a sliding manner, return springs 45 with one ends connected with the sliding blocks 43 are sleeved on the second fixing rods 44, second pull ropes 46 are connected on the sliding blocks 43, one ends of the second pull ropes 46 are connected with the corresponding movable blocks 33, through the push plate 41 arranged on the test bench 2, after the pipe impact is completed, the second pull ropes 46 can be synchronously released in the process that the movable blocks 33 are driven by the driving motor 31 to drive the clamping plates to separate, and the push plate 41 can move forwards and synchronously move forwards due to the acting force of the return springs 45 on the push plate 41, so as to push the pipe forwards slowly and discharge the pipe, the automatic discharging of the pipes can be realized in the process of loosening the clamping plate, the pipes do not need to be taken down manually, the discharging time is saved, the impact efficiency of the testing device is improved, and the automatic discharging device is suitable for testing large-batch pipes.

The top of testboard 2 is equipped with standing groove 8, standing groove 8 is located the central line position between two first splint 34, and push pedal 41 is just right with the one end of standing groove 8, when carrying out the impact operation, through placing tubular product and fix a position between two parties to it in standing groove 8, guarantee that follow-up splint can be stable carry out the centre gripping from the tubular product both sides, when push pedal 41 promotes tubular product to remove forward simultaneously, standing groove 8 can play the guide effect, make push pedal 41 can release testboard 2 with tubular product smoothly and carry out the ejection of compact.

One side of the test bench 2 is fixed with a guide rod 37, and two movable blocks 33 are all slidably connected on the guide rod 37, when the two movable blocks 33 on the driving motor 31 driving the bidirectional screw rod 32 are close to and far away from each other, the two movable blocks 33 all slide on the guide rod 37, the stability of the movable blocks 33 during movement is ensured, and further the clamping plates can stably clamp the pipe.

Guide wheels 47 are installed on two sides of the top of the test platform 2, the second pull ropes 46 are connected between the movable blocks 33 and the sliding blocks 43 by respectively bypassing the corresponding guide wheels 47, the second pull ropes 46 are reversed through the guide wheels 47, and when the two movable blocks 33 drive the clamping plates to be close to and far away from each other, the second pull ropes 46 can smoothly act on the sliding blocks 43 to move backwards or forwards, so that the push plate 41 can push the pipe to discharge forwards and reset after discharging is realized.

The working principle is as follows: when the testing device is used, firstly, a testing pipe is placed in the placing groove 8, then the driving motor 31 drives the two movable blocks 33 to drive the two first clamping plates 34 to approach each other, the pipe placed on the testing table 2 is automatically clamped and fixed without manual pipe fixing operation, manpower is saved, pipes with different pipe diameters can be fixed, the two second clamping plates 36 synchronously clamp and fix the other part of the pipe when the first clamping plates 34 clamp the pipe, the pipe is fixed more stably, after the pipe is fixed, the winding motor 12 drives the winding drum 11 to pay off the first pull rope 13, the electromagnetic chuck 10 moves downwards to a specified position, after the electromagnetic chuck 10 opens the adsorption counterweight seat 7, the winding motor 12 lifts the counterweight seat 7 to a certain height, the electromagnetic chuck 10 is powered off, at the moment, the counterweight seat 7 freely falls, the impact rod 9 impacts the pipe to test, after the test is finished, the electromagnetic chuck 10 sucks and lifts the counterweight seat 7 to a specified height, waits for the next impact operation, then the two first clamping plates 34 are opened when the driving motor 31 works, the second pull rope 46 can be synchronously loosened when the two first clamping plates 34 are separated, and because of the acting force of the return spring 45 to the push plate 41, the slide block 43 drives the push plate 41 to move forward synchronously through the first fixing rod 42, so as to push the pipe forward slowly to discharge, the automatic discharging of the pipe can be realized in the process of loosening the two first clamping plates 34, the two first clamping plates 34 are driven by the driving motor 31 to be close to each other to a specified distance after discharging, the two second pull ropes 46 pull the push plate 41 to one side of the two second clamping plates 36 through the pulling sliding block 43 to prevent the second clamping plates 36 from interfering in movement, the next pipe to be tested is placed and fixed at the moment, and the step is repeated to perform impact testing.

Claims

1. The device for testing the impact resistance of the plastic pipe is characterized by comprising a base (1), wherein a test board (2) is fixed above the base (1) through a support, a clamping mechanism (3) for clamping the pipe and a discharging mechanism (4) for discharging the pipe are respectively arranged on the test board (2), a mounting rack (5) is fixed at the top of the test board (2), two vertical rods (6) are fixed on the mounting rack (5), an electromagnetic chuck (10) and a counterweight seat (7) are respectively connected on the two vertical rods (6) in a sliding manner, the electromagnetic chuck (10) is positioned above the counterweight seat (7), an impact bar (9) is installed at the bottom of the counterweight seat (7), a first pull rope (13) is connected at the top of the electromagnetic chuck (10), and a bobbin (11) is arranged at the top of the mounting rack (5), and a winding motor (12) for driving the winding drum (11) is fixedly mounted on the mounting frame (5), and the other end of the first pull rope (13) is wound on the winding drum (11).

2. The plastic pipe impact resistance testing device according to claim 1, wherein the clamping mechanism (3) comprises a driving motor (31) fixedly installed on one side of the test table (2), an output shaft of the driving motor (31) is connected with a bidirectional screw rod (32), two movable blocks (33) symmetrically arranged are in threaded connection with the bidirectional screw rod (32), a first clamping plate (34) is fixed on one side wall of each movable block (33), an L-shaped connecting rod (35) is fixed on each movable block (33), a second clamping plate (36) is fixed on the end portion of each connecting rod (35), and the second clamping plate (36) is opposite to the first clamping plate (34).

3. The device for testing the impact resistance of the plastic pipe as claimed in claim 2, wherein the discharging mechanism (4) comprises a push plate (41) slidably connected to one side of the test table (2), two first fixing rods (42) are fixed to the back of the push plate (41), sliding blocks (43) are fixed to the ends of the first fixing rods (42), two second fixing rods (44) are fixed to one side of the top of the test table (2), the sliding blocks (43) are slidably connected to the corresponding second fixing rods (44), return springs (45) with one ends connected to the sliding blocks (43) are sleeved on the second fixing rods (44), second pull ropes (46) are connected to the sliding blocks (43), and one ends of the second pull ropes (46) are connected to the corresponding movable blocks (33).

4. The plastic pipe impact resistance testing device according to claim 3, wherein a placing groove (8) is formed at the top of the testing platform (2), the placing groove (8) is located at the center line between the two first clamping plates (34), and the push plate (41) is opposite to one end of the placing groove (8).

5. The plastic pipe impact resistance testing device according to claim 2, wherein a guide rod (37) is fixed on one side of the testing platform (2), and both of the two movable blocks (33) are slidably connected to the guide rod (37).

6. The plastic pipe impact resistance testing device according to claim 3, wherein guide wheels (47) are mounted on two sides of the top of the testing table (2), and the second pull ropes (46) are respectively connected between the movable block (33) and the sliding block (43) by bypassing the corresponding guide wheels (47).